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ASCOT (A Severity Characterization of Trauma)

. . . . . Organs (help)

Number of AIS 3 lesions

Number of AIS 4 lesions

Number of AIS 5 lesions

Points

Head, brain, spinal cord

Thorax, front of the neck

All other body areas

. . . . . . RTS

Respiratory rate (per min)

Systolic blood pressure (mmHg)

Glasgow coma scale (help)

. . . . . . Age

Predicted death rate (blunt)
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Predicted death rate (penetrating)
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Anatomic Profile Points = square root (((number of AIS 3 injuries) * (3²)) + ((number of AIS 4 injuries) * (4²)) + ((number of AIS 5 injuries) * (5²)))

ASCOT (blunt): K =-1.1570 +Sum ((resp.rate.points) * 0.2810; (sbp.points) * 0.6583; (Glasgow.points) * 0.7705) +Sum ((-0.3002 * (points for AIS injuries to head, brain and spinal cord)) ; (-0.1961 * (points for AIS injuries to thorax and neck)) ; (-0.2086 * (points for AIS injuries to all other sites))) + (-0.6355 * (points for age)) Predicted death rate = 1/(1 + e^K)

ASCOT (penetrating): K =-1.1350 + Sum ((resp.rate.points) * 0.3332; (sbp.points) * 0.3638; (Glasgow.points) * 0.1.0626) + Sum ((-0.3702 * (points for AIS injuries to head, brain and spinal cord)) ; (-0.2053 * (points for AIS injuries to thorax and neck)) ; (-0.3188 * (points for AIS injuries to all other sites))) + (-0.8365 * (points for age)) Predicted death rate = 1/(1 + e^K)

References

Champion HR et al. A new characterization of injury severity. J Trauma 1990;30:539-45.
Champion HR et al. Improved predictions from A Severity Characterization Of Trauma (ASCOT) over Trauma and Injury Severity Score (TRISS) : results of an independant evaluation. J Trauma 1996;40:42-9.